A biologist collects DNA samples from two sisters. The younger sister has blond hair. The older sister has red hair. The sisters have different traits because their DNA contains different —A---order of nucleotides
B---types of sugar molecules
C---sized phosphate groups
D---types of nitrogenous bases
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Answers

Answer 1

Answer:

The sisters have different traits because their DNA contains different ORDER OF NUCLEOTIDES (Option A).

DNA is a double helix composed of two long chains of nucleotides.

In DNA, there are four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Thymine and Cytosine.

During gene transcription, a fragment of DNA called gene is used as template to create an mRNA, which is in turn used as template to create a protein.

The order of nucleotides in a given gene sequence determines the sequence in mRNA and ultimately also the protein sequence that's synthesized from this sequence.

In conclusion, the sisters have different traits because their DNA contains different ORDER OF NUCLEOTIDES (Option A).

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Answer 2

Answer: the answer is D hope this help

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Which of the following cells would not have a well-defined nucleus but would have a thick cell wall and ribosomes?A) onion cell
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Answers

The best and most correct answer among the choices provided by your question is the first choice or letter A.

The onion cell would not have a well-defined nucleus but would have a thick cell wall and ribosomes.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Answer:

onion cell

Explanation:

Which o the following best define sustainable fishing practices

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Harvesting practices that do not reduce the potential for future harvests

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Explanation:

B on edge 2020. I got it right

Biodiversity is valuable partly because ita. gives us interesting things to look at.
b. tells us about many other species.
c. contributes to medicine and agriculture.
d. provides humans with resistance to disease

Answers

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What type of weather are the upper part of Africa and the lower half of Asia most likely experiencing, based on the image?

Answers

Answer:

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Explanation:

Answer: dry heat

Explanation:

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Which of the following is the best definition of hydrothermal vent?a) a hot spot on those an floor
b) a place on the ocean floor where a volcano is gradually forming
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Answers

Answer:

Option (C)

Explanation:

The hydrothermal vents are the narrow cracks or passage at the ocean floor through which the hot water comes out.The water when percolates beneath the ocean floor through the cracks, then it gets heated up reacting with the hot molten magma and again comes out through those narrow openings. These narrow openings through which the liquid or a gas is allowed to pass is known as the hydrothermal vents.

They are commonly found near the volcanoes and the mid oceanic ridge. It plays an important role in controlling the ocean water chemistry.

Hence, the correct answer is option (C).

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Which of the following is the best definition of hydrothermal vent?a) a hot spot on those an floor
b) a place on the ocean floor where a volcano is gradually forming
c) a place where water heated by magma rises from the ocean floor
d) a crack through which magma reaches the ocean floor creating new crust

a) a hot spot on those an floor

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